參數(shù)資料
型號(hào): HV7131RP
廠商: Electronic Theatre Controls, Inc.
英文描述: CMOS Image Sensor with Image Signal Processing
中文描述: 的CMOS圖像傳感器和圖像信號(hào)處理
文件頁(yè)數(shù): 34/61頁(yè)
文件大?。?/td> 2621K
代理商: HV7131RP
HV7131GP
2004/10/29 V2.4 34
0
0
1
1
1
0
0
1
Anti-Banding Enable
When
Anti-Banding
is
enabled,
AE
initializes Integration Time
registers[63h-65h] to 4 x Anti-Banding Step value[6ah-6ch], and integration
increment/decrement amount is set to Anti-Banding Step value in order to
remove banding noise caused by intrinsic energy waveform of light
sources. Banding noise is inherent in CMOS image sensor that adopts
rolling shutter scheme for image acquisition. In this mode, AE operates with
very large unit, typically a reciprocal of (2 x power line frequency), so that
minute integration time tuning is not liable. Therefore, this mode is
recommended for only indoor use.
Full Window
With this bit set to high, window mode is discarded and full image data is
accounted for AE Y frame mean evaluation
11
1/8 center weighted window mode. Weighting ratio is 8:1 for
inside area vs. outside area
10
1/8 center only window mode.
01
1/4 center weighted window mode. Weighting ratio is 4:1 for
inside area vs. outside area
Window Mode
00
1/4 center only window mode.
AE Speed
(fast)11 - 10 - 01 - 00(slow)
11
Gain-Only control mode. Only preamp gain is controlled to get
optimum exposure state.
10
Time-Only control mode. Only integration time is controlled to get
optimum exposure state.
01
Time-Gain control mode. integration time and preamp gain are
controlled to get optimum exposure state.
AE Mode
00
AE function is disabled
AE Mode Control 2 [AEM2 : 61h : bah]
7
6
5
4
3
2
1
0
Gain Speed
Integration
Time Fine
Tune
Preamp
Gain Fine
Tune
Anti-
Banding
Minimum
Break
AE
Subsampli-
ng mode
AE Analog
Gain
Control
AE Digital
Gain
control
1
0
1
1
1
0
1
0
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